生活中想提高记忆力 喝点咖啡吧
<p><span word="If">If</span> <span word="you">you</span>’<span word="re">re</span> <span word="trying">trying</span> <span word="to">to</span> <span word="commit">commit</span> <span word="a">a</span> <span word="set">set</span> <span word="of">of</span> <span word="items">items</span> <span word="to">to</span> <span word="memory">memory</span>, <span word="you">you</span> <span word="may">may</span> <span word="want">want</span> <span word="to">to</span> <span word="give">give</span> <span word="your">your</span> <span word="brain">brain</span> <span word="a">a</span> <span word="bit">bit</span> <span word="of">of</span> <span word="caffeine">caffeine</span>. <span word="But">But</span> <span word="how">how</span> <span word="you">you</span> <span word="time">time</span> <span word="it">it</span> <span word="matters">matters</span>, <span word="finds">finds</span> <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="out">out</span> <span word="today">today</span> <span word="in">in</span> <span word="Nature">Nature</span> <span word="Neuroscience">Neuroscience</span>. <span word="The">The</span> <span word="researchers">researchers</span> <span word="found">found</span> <span word="that">that</span> <span word="giving">giving</span> <span word="people">people</span> <span word="caffeine">caffeine</span> <span word="after">after</span> <span word="they">they</span> <span word="memorized">memorized</span> <span word="a">a</span> <span word="series">series</span> <span word="of">of</span> <span word="pictures">pictures</span> <span word="significantly">significantly</span> <span word="boosted">boosted</span> <span word="their">their</span> <span word="ability">ability</span> <span word="to">to</span> <span word="remember">remember</span> <span word="the">the</span> <span word="subtler">subtler</span> <span word="details">details</span>, <span word="compared">compared</span> <span word="to">to</span> <span word="people">people</span> <span word="who">who</span>’<span word="d">d</span> <span word="been">been</span> <span word="given">given</span> <span word="dummy">dummy</span> <span word="pills">pills</span>. <span word="Before">Before</span> <span word="you">you</span> <span word="down">down</span> <span word="a">a</span> <span word="six">six</span>-<span word="shot">shot</span> <span word="Americano">Americano</span>, <span word="though">though</span>, <span word="be">be</span> <span word="aware">aware</span> <span word="that">that</span> <span word="there">there</span>’<span word="s">s</span> <span word="a">a</span> <span word="sweet">sweet</span> <span word="spot">spot</span>: <span word="A">A</span> 200-<span word="milligram">milligram</span> <span word="dose">dose</span> <span word="of">of</span> <span word="caffeine">caffeine</span> – <span word="about">about</span> <span word="the">the</span> <span word="amount">amount</span> <span word="in">in</span> <span word="a">a</span> <span word="large">large</span> <span word="cup">cup</span> <span word="of">of</span> <span word="coffee">coffee</span> – <span word="was">was</span> <span word="the">the</span> <span word="only">only</span> <span word="one">one</span> <span word="to">to</span> <span word="do">do</span> <span word="the">the</span> <span word="trick">trick</span>.</p><p>如果你想记住什么事情，你或许该给自己的大脑一些咖啡因。但是你在何时给它咖啡因相当重要，这是《自然神经科学》（<span word="Nature">Nature</span> <span word="Neuroscience">Neuroscience</span>）在1月13日发布的一份新研究报告中所发现的。研究者们发现，在人们记住一系列图片之后给予他们咖啡因（相较于给予安慰剂的对比组），能够极大地提高记住更细微细节的能力。不过，在你狂灌六杯美式咖啡之前，请先记住最有效剂量是：200毫克的咖啡因——大概是一大杯咖啡中的咖啡因含量——才能起到这个效果。</p><p><span word="The">The</span> <span word="researchers">researchers</span> <span word="had">had</span> <span word="participants">participants</span> – <span word="who">who</span> <span word="were">were</span> <span word="not">not</span> <span word="regular">regular</span> <span word="caffeine">caffeine</span> <span word="consumers">consumers</span> – <span word="try">try</span> <span word="to">to</span> <span word="memorize">memorize</span> <span word="a">a</span> <span word="series">series</span> <span word="of">of</span> <span word="pictures">pictures</span>. <span word="Afterwards">Afterwards</span>, <span word="they">they</span> <span word="were">were</span> <span word="given">given</span> <span word="a">a</span> <span word="caffeine">caffeine</span> <span word="pill">pill</span> <span word="or">or</span> <span word="a">a</span> <span word="placebo">placebo</span> (<span word="dummy">dummy</span>) <span word="pill">pill</span>. <span word="Twenty">Twenty</span>-<span word="four">four</span> <span word="hours">hours</span> <span word="later">later</span>, <span word="when">when</span> <span word="the">the</span> <span word="caffeine">caffeine</span> <span word="was">was</span> <span word="fully">fully</span> <span word="out">out</span> <span word="of">of</span> <span word="their">their</span> <span word="systems">systems</span>, <span word="they">they</span> <span word="were">were</span> <span word="asked">asked</span> <span word="to">to</span> <span word="determine">determine</span> <span word="which">which</span> <span word="pictures">pictures</span> <span word="in">in</span> <span word="a">a</span> <span word="new">new</span> <span word="set">set</span> <span word="had">had</span> <span word="also">also</span> <span word="been">been</span> <span word="shown">shown</span> <span word="the">the</span> <span word="day">day</span> <span word="before">before</span>. <span word="The">The</span> <span word="tricky">tricky</span> <span word="part">part</span> <span word="was">was</span> <span word="that">that</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="new">new</span> <span word="items">items</span> <span word="were">were</span> <span word="similar">similar</span> <span word="but">but</span> <span word="not">not</span> <span word="identical">identical</span> <span word="to">to</span> <span word="the">the</span> <span word="old">old</span> <span word="ones">ones</span>, <span word="meaning">meaning</span> <span word="that">that</span> <span word="the">the</span> <span word="participants">participants</span> <span word="had">had</span> <span word="to">to</span> <span word="recall">recall</span> <span word="the">the</span> <span word="initial">initial</span> <span word="items">items</span> <span word="in">in</span> <span word="some">some</span> <span word="amount">amount</span> <span word="of">of</span> <span word="detail">detail</span>.</p>
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